Heavy Duty 12 valve pushrods - 07-p-001

As cylinder pressures, springs pressure and rpm increase, the stress on your factory pushrods increases far beyond the level of stress your factory pushrods were designed for. If you are above 500hp with your 6bt you need to upgrade to the heavy duty pushrods. If you are over 750hp, the stresses in your engine dictate that you go with our extreme duty pushrods